Bohr used the emmision spectrum of an element.
Jj Thompson in 1904.................. Actually it was Ernest Rutherford who Disproved it in 1911. JJ thompson was the creator of the plum pudding theory
Rutherford and Soddy's theory stated that uranium successively disintegrated to lead. Rutherford discover the proton. He also discovered that the atom is mostly space.
1955
The Rutherford theory of the atom was correct; but after 100 years, of course, this theory was strongly developped, new experiments added and the today theory of the atom is more complex and detailed.
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
Rutherford and Soddy's theory stated that uranium successively disintegrated to lead. Rutherford discover the proton. He also discovered that the atom is mostly space.
Rutherford's theory is known as the Rutherford model or Rutherford atomic model. It describes the structure of an atom as a dense positively charged nucleus surrounded by orbiting electrons.
The Atomic Theory
D. E. Rutherford has written: 'Introduction to lattice theory' -- subject(s): Lattice theory
Jj Thompson in 1904.................. Actually it was Ernest Rutherford who Disproved it in 1911. JJ thompson was the creator of the plum pudding theory
Rutherford.
Rutherford and Soddy's theory stated that uranium successively disintegrated to lead. Rutherford discover the proton. He also discovered that the atom is mostly space.
According to Thomson's atomic theory, the mass of an atom was special evenly throughout its volume. Errest Rutherford's experiment proved this wrong.
Are there elements in the theory that are untestable?
Ernest Rutherford conducted his studies to test J.J Thompsons 'Plum Pudding' theory.
1955
Ernest Rutherford contributed to the atomic theory through his gold foil experiment. He discovered that there was a positively charged central core to the atom and he called it the nucleus.